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111 lines
4.3 KiB
111 lines
4.3 KiB
5 years ago
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//=========== Copyright Valve Corporation, All rights reserved. ===============//
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//
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// Purpose:
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//=============================================================================//
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#ifndef PANEL2DFACTORY_H
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#define PANEL2DFACTORY_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "utlsymbol.h"
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#include "tier1/utlrbtree.h"
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#include "panorama/panoramasymbol.h"
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namespace panorama
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{
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class IUIPanel;
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class IUIPanelClient;
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class IUIEngine;
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class CPanel2DFactory;
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#ifdef DBGFLAG_VALIDATE
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void ValidatePanel2DFactory( CValidator &validator );
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#endif
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void RegisterPanelFactoriesWithEngine( IUIEngine *pEngine );
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//-----------------------------------------------------------------------------
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// Purpose: Used by DECLARE_PANEL2D_FACTORY macro to create a linked list of instancing functions
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//-----------------------------------------------------------------------------
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typedef panorama::IUIPanelClient *(*PANEL2DCREATEFUNC)(const char *pchName, panorama::IUIPanel *parent);
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typedef CPanoramaSymbol( *PANELSYMBOLFUNC )();
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class CPanel2DFactory
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{
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public:
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CPanel2DFactory( CPanoramaSymbol *pSym, char const *pchLayoutName, PANEL2DCREATEFUNC func, void *pChrisBoydBS, PANELSYMBOLFUNC symParentFunc );
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static bool BRegisteredLocalName( CUtlSymbol symName );
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CPanoramaSymbol BaseClassSymbol() { return m_funcSymParent(); }
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private:
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friend class CUIEngine;
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IUIPanelClient *CreatePanelInternal( const char *pchID, panorama::IUIPanel *parent );
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PANELSYMBOLFUNC m_funcSymParent;
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PANEL2DCREATEFUNC m_funcCreate;
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};
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// This is the macro which implements creation of each type of panel. It creates a function which instances an object of the specified type
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// It them hooks that function up to the helper list so that objects can create the elements by name, with no header file dependency, etc.
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// Params: className = name of class to create
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// layoutName = name used in the layout file
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#define REGISTER_PANEL2D_FACTORY( className, layoutName ) \
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panorama::CPanoramaSymbol className::m_symbol; \
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static panorama::IUIPanelClient *Create_##layoutName( const char *pchID, panorama::IUIPanel *parent ) \
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{ \
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return new className( ToPanel2D(parent), pchID ); \
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}; \
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namespace panorama { className *g_##layoutName##LinkerHack = NULL; } \
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panorama::CPanel2DFactory g_##layoutName##_Helper( &className::m_symbol, #layoutName, Create_##layoutName, panorama::g_##layoutName##LinkerHack, &className::BaseClass::GetPanelSymbol );
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// Can be used to register a name so it can be used as a top level panel in XML, but can't be created through a layout file
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#define REGISTER_PANEL2D( className, layoutName ) \
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panorama::CPanoramaSymbol className::m_symbol; \
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namespace panorama { className *g_##layoutName##LinkerHack = NULL; } \
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panorama::CPanel2DFactory g_##layoutName##_Helper( &className::m_symbol, #layoutName, NULL, panorama::g_##layoutName##LinkerHack, &className::BaseClass::GetPanelSymbol );
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// Can be used to reserve a panel name w/o a panel class
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#define REGISTER_PANEL_NAME( layoutName ) \
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panorama::CPanoramaSymbol k_symPanel##layoutName; \
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panorama::CPanoramaSymbol Get_##layoutName##_Symbol() { return k_symPanel##layoutName; } \
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panorama::CPanel2DFactory g_##layoutName##_Helper( &k_symPanel##layoutName, #layoutName, NULL, NULL, &Get_##layoutName##_Symbol );
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#define DECLARE_PANEL2D( className, baseClassName ) \
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public: \
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typedef baseClassName BaseClass; \
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typedef className ThisClass; \
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static panorama::CPanoramaSymbol m_symbol; \
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\
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static panorama::CPanoramaSymbol GetPanelSymbol() { return className::m_symbol; } \
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virtual panorama::CPanoramaSymbol GetPanelType() const { return className::m_symbol; } \
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private:
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#define DECLARE_PANEL2D_NO_BASE( className ) \
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public: \
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typedef className ThisClass; \
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typedef className BaseClass; \
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static panorama::CPanoramaSymbol m_symbol; \
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\
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static panorama::CPanoramaSymbol GetPanelSymbol() { return className::m_symbol; } \
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virtual panorama::CPanoramaSymbol GetPanelType() const { return className::m_symbol; } \
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private:
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} // namespace panorama
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inline uint32 HashItem( const panorama::CPanoramaSymbol &item )
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{
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return ::HashItem( (UtlSymId_t)item );
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}
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#endif // PANEL2DFACTORY_H
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